/*
 *   Copyright (c) International Business Machines Corp., 2012
 *
 *   This program is free software;  you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
 *   the GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program;  if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

/*
 *    File: add.c
 *  Author: Shaun Wetzstein <shaun@us.ibm.com>
 *   Descr: --add implementation
 *    Date: 01/30/2013
 */

#include <sys/types.h>
#include <sys/stat.h>

#include <fcntl.h>
#include <string.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include <unistd.h>
#include <getopt.h>
#include <errno.h>
#include <ctype.h>
#include <regex.h>

#include <clib/exception.h>
#include <clib/attribute.h>
#include <clib/assert.h>
#include <clib/list.h>
#include <clib/list_iter.h>
#include <clib/misc.h>
#include <clib/min.h>
#include <clib/raii.h>

#include "main.h"

int command_add(args_t * args)
{
	assert(args != NULL);

	/* ========================= */

	int add(args_t * args, off_t poffset)
	{
		int rc = 0;

		off_t offset = 0;
		size_t size = 0;
		uint32_t flags = 0;

		rc = parse_offset(args->offset, &offset);
		if (rc < 0)
			return rc;
		rc = parse_size(args->size, &size);
		if (rc < 0)
			return rc;
		rc = parse_size(args->flags, &flags);
		if (rc < 0)
			return rc;

		ffs_type_t type = FFS_TYPE_DATA;
		if (args->logical == f_LOGICAL)
			type = FFS_TYPE_LOGICAL;

		const char * target = args->target;
		int debug = args->debug;

		RAII(FILE *, file, fopen_generic(target, "r+", debug), fclose);
		RAII(ffs_t *, ffs,  __ffs_fopen(file, poffset), __ffs_fclose);

		rc = __ffs_entry_add(ffs, args->name, offset, size,
				     type, flags);
		if (rc < 0)
			return rc;

		if (args->verbose == f_VERBOSE)
			printf("%llx: %s: add partition at offset '%llx' size "
			       "'%x' type '%d' flags '%x'\n", poffset,
				args->name, offset, size, type, flags);

		return rc;
	}

	/* ========================= */

	return command(args, add);
}